REPAIR/MAINT OF SUBMERSIBLE AND CENTRIFUGAL PUMPS MOTORS, SUBMERSIBLE, MS COLUMN, STARTER, LT BOARD, PROTECTION DEVICE, IT CONNECTION CI PIPE LINE, ALLIED WORK WITH CLEANING OF WATER TANK AT TECH AND RESIDENTIAL AREA AT IRDE UNDER GE(I) RND DEHRADUN

Amount

Disconnecting and removing the water and electric connections carefully from the existing submersible pump sets of any capacity, any size,any make and taking out the submersible pump set of alongwith column pipe 100 mm dia,electric cable and fittings of bore well or strip opening the pump set (approximately 450 feets depth of pump set from GL) and taking out the pump set alongwith pipes and fittings for flushing the bore well or strip opening the pump set for repairs, replacement of worn out spares, fixing of serviceable spares assembling the pump set completely, testing of pump set, lowering the pump set inside the bore well after repairs, including connecting back the water and electric connections, Commissioning of pump set for satisfactory operation on its full load complete, all as specified and directed. NOTES :- 1. Contractor shall take proper precautions while lifting out and removing pump set from bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost. 2. Number of column pipe may vary from 30 to 50, The existing pipes & flanged joints shall be checked for its serviceability & unserviceable joints alongwith flanges shall be removed from the column pipe by cutting the pipes & making new thread in pipes for fixing of new flange joint, the cost of same shall be deemed to be included in the quoted rate for above item. However cleaning of pipes if any required shall be measured & paid separately. 3. Expendable stores like cotton waste/cleaning materials lubricants , gland packing metal filling, machinaing and transportation to and fro from site to work shop are deemed to be included in rate quoted. 4.The spares required for repair the pump sets,motor,MS pipe, MS Nut& botls ,rubber gasketjoints and rewinding of motors shall be measured and paid for separately as supply only under appropriate items of Schedule ‘A’. 5. Labour elemetns is included in unit rates.

Opening the pump and motor for inspection, repairs and reassembling the pump and motor as per the original assembly after repairs/ replacing the worn out unserviceable parts with new parts as ordered (the parts including cleaning replacing the minor items like, packing bolts, nuts and washers and MS clamps etc) making the pump and motor fully serviceable including machining etc and testing the both after refixing duly testing and commissioning all as specified and directed by the E-in-Charge for 35 to 52 HP capacity, 3 phase, 415 volts, 50 HZ, AC supply, pumps & motors of make KSB / SU / CALAMA. complete, all as specified and directed. Note: - (i) The replacement of defective / nonfunctional parts shall be measured & paid for separately as “Supply only” under appropriate item of Sch ‘A’ and fixing rate for new items are deemed to include under these items. (ii) Burnt out windings of motor shall be replaced, measured and paid for separately under appropriate item of Sch ‘A’ for rewinding. (iii) The rates for above items are deemed to include transportation to & fro of pumps/ motors to workshop as approved by Engineer-in-charge for necessary repairs, alignment and testing of pump and motors at workshop. (iv) The rate quoted for the item shall include re-metaling of Pump shaft, polishing and grinding and making standard size to match with Gun Metal Bush/Neck-ring. (v) Lifting of pump and motor from bore well and lowering of pump and motor after repairs shall be measured and paid separately under appropriate item of Schedule `A' (vi) The quoted rate shall be deemed to include replacement of small/ minor parts i.e. washers, keys for coupling, cable packing ring etc.

Supply only following items / spare parts suitable for AC submersible pump set of 35 to 50 HP capacity dismantled / fixed under Sch ‘A’ item No. 2 here in above complete, all as specified and directed.

Cast iron stage bowl

Gun metal neck ring

Anti magnetic stainless steel pump shaft with key

Gun metal impeller

Stainless steel sleeve (Inlet)

Stainless steel sleeve (Outlet)

Running bush out let of Gun metal

Stage bowl cover

Bolt stud with nut and washers

Running bush inlet of Gun metal

Strainer stainless steel

Shaft nut with washer

Supply only the following items / spare parts suitable for Motor of AC submersible pump of 35 to 52 HP capacity dismantled/fixed under Sch ‘A’ item No. 2 here in above complete, all as specified and directed.

Stainless steel sleeve DE and NDE.

Connector for motor

Steel bolt

Key for thrust plate

Bush bearing (Set of two)

Thrust bearing (Set of two)

Cable pressure washer

T-bolts with nuts

Bearing bush rubber

Thrust Plate

M & L for rewinding the motor with PVC insulated copper conductor of same gauge weight and tuns to achieve its full efficiency inclduing tying the windings and connecting the coils and brining the connections as that of exisitng complete, all as specified and directed for submersible motor of following capacity:-

50/60 HP, Three phase, 415 Volts, 50 Hz, AC supply

Supply only 35 Sqmm, 3 Core, flat submersible Cable, PVC insulated, PVC sheathed with multi-stranded copper conductors, conforming to IS : 694- 1990 of 1100 Volt grade,dismantled/fixedunder Sch ‘A’ item No. 1 above complete, all as specified and directed.

Supply only straight through joint complete with jointing materials suitable for three core stranded copper conductor cable PVC insulated and sheathed flat submersible cable 1100 Volt grade of size 35 Sqmm complete, all as specified and directed.

Supply only MS water tubing as in column pipe, 100mm bore, medium grade of thickness 4.5mm, ISI marked, conforming to relevant IS for column pipe in required length but length not more than 3.00 mtr, both end flanged 8mm thick flange internally threaded and duly welded with pipe using 4 Nos MS strips of size 20x 3mm in triangular right angled shape with provision of 04 Nos holes and side slot for passing submersible cable on both flanged end, including painting with two coats of anti corrosive bituminous paint over a coat of red oxide primer complete, all as specified and directed. (MAKE : TATA/TT SWASTIK/JINDAL )

M & L for scrubbing out rusted MS pipe of 100 mm bore with wire brush to remove rust, dirt etc. preparing the surface and applying a coat of anti corrosive bituminous paint complete, all as specified and directed.(length of pipes shall be 3.00 meter ).

Supply only rubber gasket joints in flanged end MS/ cast iron pipes and fittings complete with and including minimum 3 mm thick rubber/fibre gasket and necessary nuts/bolts/washers all as specified and directed by Engr-in-Charge for following sizes in replacement :-

100 mm bore

150 mm bore

Disconnecting & taking out the existing defective Oil immersed star delta starter of any description, any capacity and in any position, 3 phase, 415 volts, 50 Hz suitable for AC supply submersible pump set upto 80 HP (Make : Jyoti) and strip opening of Star delta starter, taking out unserviceable/defective wiring & parts, cleaning and servicing complete including replacement of unserviceable parts and copper wiring with new one of existing size, reassembling, fixing in position, making connections and testing complete, all as specified and directed. Notes :- (i) Replacement of unserviceable parts shall be measured and paid for separately under appropriate item of Sch ‘A’ as supply only but fixing charges of the parts replaced/repaired is deemed to be included in these item (ii) Transformer oil shall be drained out and collected in contractors own containers and reused after heating and filtration through filtration plant to achieve the dielectric strength/insulation value upto 40 KV and filling shall be included in the rate quoted by the contractor for above items. (iii) Fresh transformer oil required for top up shall be measured as “supply only” but its heating and filling shall be included in the rate quoted by the contractor for above items.

Supply only the following items / spare parts suitable for star delta starter of capacity upto 50/60 HP capacity dismantled/fixed under Sch ‘A’ item No. 36 here in above complete, all as specified and directed.

Fixed contact ’ (Set of 24)

Moving contact ’ (Set of 12)

Cam spring

Lever spring

Over load coil

No volt coil 415 Volts AC

Supply only transformer insulating oil EHV grade having dielectric strength not less than 40 KV (R.M.S) at 4mm gap high viscosity in transformer confirming to IS – 335 of 1983 for filling under Sch ‘A’ item No. 37 here in above complete, all as specified and directed. Make:- BPCL/HPCL/IOC/SAVITA /POWEROIL

Supply &Fixing in Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot,drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete, all as specified and directed.

Supply ,fixing,testing and commissioning in replacement of unserviceable submersible pump NRV from any position complete and Supply and fixing of submersible pump NRV for 100mm dia column pipe, suitable for 35 to 50 HP capacity pumps as per existing model of Make SU/Calama/KSB designed for vertical fitting complete, all as specified and directed.

M&L for rendering 15mm thick in CM (1:4) on fair faces of brick masonry including finishing the surfaces even and smooth without using extra cement complete, all as specified and directed.

M&L for providing cement concrete 1:2:4 type B-2 (using 40 mm graded crushed stone aggregate) as in copings, holdfast and the like including weathering, slightly rounded or chamfered angles and throating as directed with and including necessary form work complete, all as specified and directed.

M & L for PCC 1:3:6 type C-2 (using 40 mm graded stone aggregate) as in plinth block for support of pipe including form work weathering slightly chamfered angle and throating with and including necessary form work and finished concrete surface even & smooth without using extra cement complete, all as specified and directed. .

M&L for Brick work with sub class ‘B’ bricks, straight or curved on plan exc 6 mtr mean radius, old size brick built in Cement Mortar (1:4), for manholes complete, all as specified and directed.

Supply, fixing, testing & commissioning in replacement of unserviceable MCCB 250Amps Triple pole, 415 volts, 50 Hz having breaking capacity 35/36 KA , with fixed thermal magnetic setting complete, all as specified and directed. Make: Cat part No: 420249 of Legrand or equivalent in Siemens/ Havells

Supply, fixing, testing & commissioning in replacement of unserviceable Power Contactor ML-4 type, 3 pole, coil voltage 415 / 440 Volts, 50 Hz with 2 NO + 2 NC auxiliary contacts, having current rating (AC3) of 70 Amps at 415 volts complete, all as specified and directed. Cat part No :- SS 90910 of make L&T or equivalent model in specified make as approved by GE.

Supply, fixing, testing & commissioning in replacement of unserviceable change over switch and Supplying, Fixing, jointing and testing OFF LOAD change over switch, 4 pole, 415 volts of current rating 200 Amps, in and including sheet metal enclosure, side handle operated conforming to IS : 13947 ( Part I & III ) complete, all as specified and directed.

Material and labour for repair to run lead joints including caulking properly with using old retrieved lead from taking up or down pipes but with and including using new spun yarn for the following sizes of CI pipes/fittings etc complete, all as specified and directed. Notes : (i) Earth work in excavation, returning filling in and removal shall be measured and paid separately. (ii) Additional quantity of lead, if any required, for making new joints other than the quantity of lead retrieved from taking up / down pipes, shall be measured and paid for separately as ‘’supply only’’ under appropriate item of Schedule `A'

150 mm bore

100mm bore

Supply only pig lead of best quality conforming to IS : 782 – 1978 for providing lead joints complete, all as specified and directed.

Supply only wool lead of best quality conforming to relevant IS for providing lead joints complete, all as specified and directed.

Disconnecting,removing the water ,electric connections and taking out carefully the old existing defective electric motor, 7.5 HP of booster pump / centrifugal pump of any description and in any position, dismantling and strip opening of the motor, removing the old existing burnt windings, cleaning the slots & rewinding of the electric motor 7.5 HP, operating on 415 V, 3 Phase, 50 Hz AC supply with existing gauge super enameled copper wire, including insulating material such as illuminous paper, Letherized paper, cotton tape, glass sleeves insulating varnish etc for powering multistage booster pumps/ centrifugal pumps & testing at workshop and transportation to site & refixing on existing platform complete, all as specified and directed.

All as per item No. 59 here in above but motor of capacity 10.0 HP complete, all as specified and directed.

Disconnecting, removing the water, electric connections and taking out carefully defective booster/centrifugal pump of capacity 7.5 HP, DSM model of Make Kirloskar,, three phase, 415 V, AC supply and carrying out necessary repairs and replacement of bearing bush, gland plate, impeller, nuts and bolts etc, any trasportation to workshop if required, Repair to bearing housing with metling and turning and fixing the same in position and testing on full load complete, all as specified and directed.

All as per item No. 61 here-in- before but booster pump / centrifugal pump of capacity 10 HP complete, all as specified and directed.

Supply only the following items/spare parts suitable for centrigugal pump of capacity 7.5/10 HP dismantled/fixed under Sch `A` item No 61 and 62 here in above complete, all as specified and directed.

CI impeller as per existing size

MS stud with nut for split body complete size as per sample

Ball bearing for driving and non driving end.

CI sleeve of DE / NDE

CI/MS gland packing plate

CI bush (stuffing box bush)

Pump shaft EN8 complete including making key groove with check nut

Set of key with nut & washer

Replacement of packing sheet

Supply and fixing in replacement of unserviceable water gauge of range 0-100 psi, 100mm dia in delivery line with in incluing socket welding in pipe line complete, all as specified and directed.

Excavation in trenches, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr deep in soft/loose soil including forming sides and bottom surface to required levels/slops/gradients etc. complete, all as specified and directed. Note:- The disturbed surface of roads/paths/plinths etc. shall be repaired and quoted rates deemed to include this aspect.

Returning, filling in, including spreading leveling, watering and well ramming the excavated soil in layers not exceeding 25 cm thick complete, all as specified and directed.

Removal of surplus excavated soil to a distance not exceeding 50 Mtr distance and depositing as directed at a level not exceeding 1.5 mtr above starting point complete, all as specified and directed.

Taking out or down defective sluice valve from main line and opening carefully old defective sluice valve of any description and in any position for and including servicing, over-hauling / greasing etc, and replacement of old unserviceable / worn out parts and reassembling the sluice valve after repair and refixing the same & testing after installation complete, all as specified and directed for following bores :- Note :- (i) The cost of Earth work, joints & jointing materials washers, gaskets and minor parts shall be deemed to be included in the quoted rates but Replacement of the defective parts i.e. cast iron gate & stainless steel spindle of Sluice valve shall be measured and paid for separately as supply only under appropriate items of Schedule ‘A’

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply only stainless steel spindle, heavy duty, threaded, with and including one gun metal check unit suitable for sluice valves of any description dismantled/fixed under Sch `A` item No 77 here in above complete, all as specified and directed. for following bores :-

150 mm bore

100 mm bore

80 mm bore

Supply, installation, fixing, jointing and testing in replacement of unserviceable cast iron sluice valve of class PN-1 both ends flanged with iron wheel head and stainless steel spindle, short body type, conforming to IS-14846 of 2000 including rubber gasket and nut blot with washer for flange joints complete, all as specified and directed. for following bores:- Notes:- The cost of Earth work, joints & jointing materials of the sluice valve shall be deemed to be included in the quoted rates.

200 mm bore

150 mm bore

100 mm bore

80 mm bore

M & L for cleaning/ scraping of steel/ cast iron surfaces of existing dull painting of Valve pit chamber inner pipe lines and valves etc and applying two coats of synthetic enameled paint over a coat of red oxide primer by spray machine complete, all as specified and directed. Note : The Chamber, valves, connected pipe line etc. shall be painted according to colour code specified as per IS Instructions and as directed by Engr-in-Charge at site.

M&L in replacement of unserviceable Indicator lamps of any size & capacity after disconnecting all the electrical connections and supplying, fixing connecting and testing Indicator lamps neon type suitable for 220 volts 50Hz, AC supply including wiring with 1.5 Sqmm PVC insulated stranded copper conductor cable complete, all as specified and directed. (Make : L&T/BCH/Rishab )

M&L in replacement of unserviceable volt meter of any description and supply, fixing, connecting and testing Digital type of size 96mm x 96mm, AC Volt meter 500 Volts including wiring with 1.5 Sqmm PVC insulated stranded copper conductor cable complete, all as specified and directed. Make : DENKO/ESCORP/AE

M&L in replacement of unserviceable Amp meter of any description alongwith CT’s and supply, fixing, connecting and testing Digital type of size 96mm x 96mm, AC Amp meter 200 Amps with including 3 Nos C.T of Ratio 200/5 of class-1.0 including wiring with 1.5 Sqmm PVC insulated stranded copper conductor cable complete, all as specified and directed. Make : DENKO/ESCORP/AE

Supply, laying, jointing and testing in replacement of unserviceable DI/CI pipe by new one ductile Iron Pipe with spigot socketed ,heavy duty including specials and rubber tyton joint ring, laid in trenches,or floor/under road complete, all as specified and directed. for the following bore:-

200 mm bore

150 mm bore

100 mm bore

Supply, installed, jointing and testing in replacement of unserviceable non return valves of cast iron non return valve both ends flanged complete all as specified and directed for following bores:- Notes:- (i) The cost of Earth work, joints & jointing materials of the non return valve shall be deemed to be included in the quoted rates.

150 mm bore

100 mm bore

M&L for cleaning and disinfecting of RCC OH tank of 1,00,000 gallon capacity upto 21 Mtr staging, of any shape by initially cleaning the external area and the entry man hole with skilled manpower with protective clothing and apparatus etc and approved electrically operated equipments including all tools, tacles and labour equipments e.g. electric machines, pumps (including desludging pump), pressure water jet, sludge removal etc. required for completion of the work in all respect by specialized water tank cleaning process as under: (i) Dewatering of over head tank by drain out pipe. (ii) Mechanized removal of all remaining dirty water by high capacity pump set. (iii) Removal of sludge by vacuum operated Pump. (iv) Cleaning of walls, ceiling and bottom of tank by high pressure rotary jet 120 bars pressure. (v) Removal of all dirty particles by industrial wet vacuum cleaner leaving the tank 99.9% physically cleaned. (vi) Sterilization of tank by Echo-Friendly biodegradable and highly effective anti bacterial non toxic agent approved by NTC (National Toxicology Center) against all pathogens agent of tank clean. (vii) Sterilization of tank atmosphere by industrial UV radiator leaving the tank complete sterlite by specialized method (viii) After complete treatment is carried out, all inlet, over flow, delivery, wash out pipes, ladder and doors shall be painted with two coats of synthetic enamel black paint after thorough cleaning the surfaces and also the surfaces of sluice valves shall be painted with P.O. Red paint and writing " capacity of tank, date of cleaning and due date of cleaning" on wall as specified and as directed. Notes: (i)The work will be got executed from the reputed specialized water tank cleaner as approved by GE. (ii) All the sludge materials / fungus removed from the underground sump / semi underground sump and over head tanks will be removed outside defence land from the site. (iii) All underground sump / semi underground sum and overhead tanks will cleaned in all respect upto 3 mtr around the water tanks. (iv) All T & P required for the cleaning of tanks / Sumps will be arranged by the contractor. (v) The wire mesh of ventilations of the tank shall be replaced with new mesh. (vi) The cost of the same shall be deemed included in the respective items.

All as per item No 103 here in above but RCC OH tank of capacity 30,000 gallon complete, all as specified and directed.

All as per item No 103 here in above but RCC OH tank of capacity 25,000 gallon complete, all as specified and directed.

All as per item No 103 here in above but RCC OH tank of capacity 24,000 gallon complete, all as specified and directed..

Supply, installation, testing and commissioning in replacement of unserviceable electronic auotmatic phase sequence corrector device working on IC based technology, capable to correct disturbed pahse sequence, prvent the motor from reverse rotation, ptotect motor from phasing, low / high voltage cut with time delay between 350 Volt to 480 volts with 60 second delay, protection against unbalanced load of two phase out of three phase supply system withnout Contractor and box complete all as specified and directed Make as approved by GE.

Disconnecting and taking out single head geared electrically operated motored Dosing pump, Model No:- 96NGQ51 of DECRIN (Declibac Technologies Privte Limited) (for calcium based granular disinfectant for water treatment system) for servicing and repairs cleaning all parts and checking for any defect, pump is operated by 1/30 HP, 230V, AC operated, 44 RPM, adjustable pressure range from 0 to 100 PSI and adjustable discharge range from 2.0 Gallons per day to 40.0 Gallons per day inclusive of Tubing for suction and discharge, connecting nuts, injection Check Valve, ferrule, Clay Weight, ferrules etc. & refixing on existing frame, and ,testing after repair complete, all as specified and directed. Notes : (i) Replacement of unserviceable parts shall be measured and paid for separately under appropriate item of Sch `A` as supply only but fixing charges of the parts replaced/repaired is deemed to be included in the above quoted rates.

Supply only the following items/spare parts suitable for Dosing pump (for calcium based granular disinfectant for water treatment system) dismantled/fixed under Sch `A` item No 108 here in above complete, all as specified and directed. Note: Contractor should visit adn note down suitable parts of the dosing pump before quoting the rate. Make of the parts should be one of the make approved by E-in-C, Branch

ROTOR ASSEMBLY WITH BEARINGS BRACKETS & TOLERANCE RINGS. Cat Pt No. PMBRPL2 of DECRIN (Declibac Technologies Privte Limited)

COIL 250V 50HZ Cat :MP6J222 of DECRIN (Declibac Technologies Privte Limited)Coil 250V 50Hz

Single Head feed rate control with shaft

Pump head (Ferrules 1/4"& Duckbill included)

Roller Assembly

Pump Tube

Injection check valve 3/8"

Weighted suction line strainer 3/8"

3/8" White suction / Discharge tubing

Check valve duckbill only

Connecting nut 3/8"

Connecting nut 3/8" with adapter

Ferrule 1/4"

Altoch Dosing System ( Modal ADS-1) consisting 100 ltrs FRP tank with level gauge agitator motor and shaft with impiller

Supply, laying, jointing and testing in replacement of unserviceable CI/DI pipes specials of any size and any type complete of size upto 200mm dia , bend , Y junction , Tee, reducer, tail piece, spigot socketed/ spigot flanged/ flanged end/ plain end any type as required at site and as laid in trenches,or floor/under road complete, all as specified and directed. Note :- Earth work in excavation, returning filling in and removal & joints shall be measured and paid separately under appropriate items of Schedule ‘A’

Disconnecting and removing the water and electric connections carefully from the existing water fountain and nozzles, cleaning of fountain sump and repair the water connection and supply of sprinkler of suitable size for 15/20mm size tubing including 03 Nos fountain lights with all electric connection to enable the complete system complete, all as specified and directed.

Disconnecting and removing the water and electric connections carefully from the existing water fountain and nozzles, cleaning of fountain sump and repair the water connection, Submersible pump 2/3 HP capacity and supply of nozzles of suitable size for 15/20/25mm size tubing including 03 Nos fountain under water lights with all electric connection to enable the complete system, testing and commissioning complete, all as specified and directed by Engineer-in- Charge.

Supply only Calcium based granular disinfectant for water treatment, more stable than chlorine gas, and stronger than Bleaching powder and sodium hypo chloride, packing in 45 Kg Plastic drums. Make and brand as per approved list of E-in C,s branch,AHQ New Delhi .

M & L for Cutting of the existing 80 / 100 /150 mm bore of GI/ CI pipe line for rectifying leakage and reducing to required length, in position, for insertion of collars or Tee & other fittings including dewatering etc complete all as specified and directed. Note:- CI fittings, jointing materials and earth work shall be measured and paid separately. How ever cost of dewatering is included in the quoted rates.

Collecting the sample of water from each source "bore well" and testing the sample for physical, chemical & bacteriological parameters and submitting the report in duplicate with comparison by IS-10500, complete for 29 parameter.

VATANUCOOL ENGINEERS

JS CONSTRUCTION COMPANY